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Finding the Fourth Proportional to 162,505.80, 243,733.96 and 62,651.44

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Solution

The fourth proportional to 162,505.80, 243,733.96 and 62,651.44 is: 93,967.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,505.80 : 243,733.96 = 62,651.44 : x
  2. Step 2: Convert to fraction form
    162,505.80/243,733.96 = 62,651.44/x
  3. Step 3: Cross multiply
    162,505.80x = 243,733.96 × 62,651.44
  4. Step 4: Simplify right side
    162,505.80x = 15,270,283,570.90
  5. Step 5: Solve for x
    x = 15,270,283,570.90/162,505.80
  6. Step 6: Final answer
    x = 93,967.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.